Home / 7,432.05-10,256.73-4,245.51

Finding the Fourth Proportional to 7,432.05, 10,256.73 and 4,245.51

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Solution

The fourth proportional to 7,432.05, 10,256.73 and 4,245.51 is: 5,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.05 : 10,256.73 = 4,245.51 : x
  2. Step 2: Convert to fraction form
    7,432.05/10,256.73 = 4,245.51/x
  3. Step 3: Cross multiply
    7,432.05x = 10,256.73 × 4,245.51
  4. Step 4: Simplify right side
    7,432.05x = 43,545,049.78
  5. Step 5: Solve for x
    x = 43,545,049.78/7,432.05
  6. Step 6: Final answer
    x = 5,859.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.